From dbfb00c3e7e18439f2ebf67fe99bf7a50b5bae1e Mon Sep 17 00:00:00 2001 From: Alex Deucher Date: Thu, 19 Feb 2015 16:02:15 -0500 Subject: [PATCH] drm/radeon: fix 1 RB harvest config setup for TN/RL The logic was reversed from what the hw actually exposed. Fixes graphics corruption in certain harvest configurations. Signed-off-by: Alex Deucher Cc: stable@vger.kernel.org --- drivers/gpu/drm/radeon/ni.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/drivers/gpu/drm/radeon/ni.c b/drivers/gpu/drm/radeon/ni.c index ebe68dd8e06a..dab00812abaa 100644 --- a/drivers/gpu/drm/radeon/ni.c +++ b/drivers/gpu/drm/radeon/ni.c @@ -1088,12 +1088,12 @@ static void cayman_gpu_init(struct radeon_device *rdev) if ((rdev->config.cayman.max_backends_per_se == 1) && (rdev->flags & RADEON_IS_IGP)) { - if ((disabled_rb_mask & 3) == 1) { - /* RB0 disabled, RB1 enabled */ - tmp = 0x11111111; - } else { + if ((disabled_rb_mask & 3) == 2) { /* RB1 disabled, RB0 enabled */ tmp = 0x00000000; + } else { + /* RB0 disabled, RB1 enabled */ + tmp = 0x11111111; } } else { tmp = gb_addr_config & NUM_PIPES_MASK; -- 2.34.1